Well screen with floating mounting

Details Well screen with floating mounting Well screen with floating mounting

1998-04-24

1999-11-09

Bagnell, David

Wells

Screens

Spiral

166231, 166236, 210499, E21B 4308

Patent

active

059795514

ABSTRACT:
Well screen assembly for use in horizontal wells and other situations where tensile, torsion and bending forces can damage well screens which are welded to their end supports provides a floating mounting which eliminates welding of the screen segments. A pair of complementary inner and outer slip rings are provided at one end of the well screen assembly with the inner ring being in sealed relationship with a screen segment and the outer ring being integrally affixed to an outer protective cover member and an axial support member such as a pipe base member or a tubular end fitting. The inner ring is free to slide and rotate relative to the outer ring.

REFERENCES:
patent: 1305915 (1919-06-01), Mack
patent: 4167972 (1979-09-01), Sears
patent: 4378840 (1983-04-01), Lilly
patent: 4416331 (1983-11-01), Lilly
patent: 4428431 (1984-01-01), Landry et al.
patent: 5509483 (1996-04-01), Graen
patent: 5611399 (1997-03-01), Richard et al.
patent: 5664628 (1997-09-01), Koehler et al.
patent: 5899271 (1999-05-01), Simone et al.

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